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Finding the Fourth Proportional to 103,632.90, 154,692.71 and 88,936.26

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Solution

The fourth proportional to 103,632.90, 154,692.71 and 88,936.26 is: 132,755.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,632.90 : 154,692.71 = 88,936.26 : x
  2. Step 2: Convert to fraction form
    103,632.90/154,692.71 = 88,936.26/x
  3. Step 3: Cross multiply
    103,632.90x = 154,692.71 × 88,936.26
  4. Step 4: Simplify right side
    103,632.90x = 13,757,791,076.66
  5. Step 5: Solve for x
    x = 13,757,791,076.66/103,632.90
  6. Step 6: Final answer
    x = 132,755.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.